PopupWin = null;
function OpenWindow( url, name, width, height ) 
{
	var scbars
	scbars = 0
	scbars = 1
	
	
	var params = "width=" + width + ",height=" + height + ",resizable="+ scbars +",scrollbars="+ scbars +",status=1";
	if ( PopupWin != null )
	{
		PopupWin = null;
		PopupWin = window.open( url, name, params );
		PopupWin.focus();
	}
	else
	{
		PopupWin = window.open( url, name, params );
	}
}

function switchImage(imgId, imgSrc) 
{
    if (imgSrc != "none")
    {
      document.getElementById(imgId).src = imgSrc;
    }
}